CN114193207A - Ball screw supporting device - Google Patents

Abstract

The application provides a ball screw strutting arrangement, including the base plate, still include: the supporting mechanism is arranged at the top of the base plate, the top of the supporting mechanism is connected with an I-shaped frame, the supporting mechanism comprises a first supporting device, a second supporting device and a third supporting device which are arranged at the top of the base plate, the first supporting device, the second supporting device and the third supporting device respectively comprise a damping assembly connected to the top wall of the base plate, the clamping mechanism comprises a first clamping device and a second clamping device which are arranged on the top wall of the supporting plate in a staggered mode, and the first clamping device and the second clamping device are matched with the I-shaped frame and used for fixing and clamping the lead screw; this application has improved the device's tight effect of clamp greatly, avoids the device can not appear rocking the problem, and avoids the lead screw to receive external force and causes the damage because of the rigidity effect itself, effectively avoids the great lead to lead screw suspended portion of workstation stroke to arouse the emergence of the lead screw amount of deflection deformation condition because of the dead weight simultaneously.

Description

Ball screw supporting device

Technical Field

The utility model relates to the field of ball screw equipment, in particular to a ball screw supporting device and a using method thereof.

Background

Ball screw is a tool for converting rotary motion into linear motion or converting linear motion into rotary motion, is the most commonly used transmission element on tool machinery and precision machinery, has the main function of converting rotary motion into linear motion or converting torque into axial repeated acting force, has the characteristics of high precision, reversibility and high efficiency, and is widely applied to various industrial equipment. The mounting modes of the ball screw are roughly divided into three modes, the first mode is a mounting mode with one fixed end and one free end, and the ball screw mounting device is suitable for the conditions of low rotating speed and short ball screw; the second is an installation mode that two ends move, and the device is suitable for a ball screw with medium rotating speed; the third installation mode is that one end is fixed and the other end moves, and is suitable for occasions with medium rotating speed and high-precision operation; in the three modes, the fixed mounting mode and the floating mounting mode of the ball screw are both mounted in a mode that the bearing is matched with the supporting device, and a stop ring and other devices are further arranged in the fixed mounting mode to stop. The bearing (support bearing) is arranged in the support device (support seat), the support bearing needs to be clamped in the support seat, the precision requirement on the support seat is high, and the bearing support device is complex to install.

Aiming at the Chinese utility model patent (application number: CN201820378349.2), an adjustable lead screw bracket for a ball screw is provided, which comprises a support rod, a semi-circular plate, a guide wheel, a rotating rod, an arc-shaped plate and a placement groove, wherein the support rod is assembled in a sleeve, the support rod is connected with the sleeve through a spring, the semi-circular plate is fixed on the upper end surface of the support rod through a screw, the semi-circular plate is jointed with the annular side surface of the lead screw, the guide wheel is fixed on the lower part of the right end surface of a nut seat through a fixed rod, the design realizes the function of supporting the lead screw and having simple structure, the lower end of the rotating rod is connected with a gear, the upper end of the rotating rod is connected with a motor through a coupler, the arc-shaped plate is fixed on the right end surface of a rack, the right end surface of the arc-shaped plate is jointed with the sleeve, the placement groove is arranged on the upper end surface of a mounting plate, the sleeve is assembled in the placement groove, the design realizes the function of fixing the sleeve, the screw rod support device is convenient to use, convenient to support a screw rod, simple in structure, convenient to install a sleeve, good in stability and high in reliability.

The device still has certain defects, 1, the device has poor clamping effect, the lead screw is easy to shake, and the long-term use accuracy of the lead screw is affected; 2. because the sizes of the screw rods are different, when the stroke of the workbench is larger, the suspended part of the screw rod can cause the deflection deformation of the screw rod due to the dead weight, so that the ball screw rod part is bent, and the moving stability of the workbench can be influenced; 3. the device shock attenuation buffering effect is not good, when the lead screw received external force, because of the rigidity effect of itself damages easily, influences course of working. Therefore, we improve this and propose a ball screw supporting device.

Disclosure of Invention

The utility model aims to: aiming at the problems that the clamping effect of the existing device is poor, the lead screw is easy to shake, and the long-term use accuracy of the lead screw is influenced; because the sizes of the screw rods are different, when the stroke of the workbench is larger, the suspended part of the screw rod can cause the deflection deformation of the screw rod due to the dead weight, so that the ball screw rod part is bent, and the moving stability of the workbench can be influenced; the device shock attenuation buffering effect is not good, when the lead screw received external force, because of the rigidity effect of itself damages easily, influences course of working.

In order to achieve the above purpose, the utility model provides the following technical scheme:

a ball screw support device includes a base plate, and further includes:

the supporting mechanism is arranged at the top of the base plate, the top of the supporting mechanism is connected with an I-shaped frame, the supporting mechanism comprises a first supporting device, a second supporting device and a third supporting device which are arranged at the top of the base plate, the first supporting device, the second supporting device and the third supporting device respectively comprise a damping component connected to the top wall of the base plate, and the top of the damping component is connected with a supporting plate which is used for achieving a damping effect on the I-shaped frame;

the middle section of the displacement device is fixedly connected to the bottom wall of the second supporting device through a connecting seat, and the end part of the displacement device is respectively matched with the first supporting device and the third supporting device;

the clamping mechanism is fixedly connected to the top of the supporting plate and comprises a first clamping device and a second clamping device which are arranged on the top wall of the supporting plate in a staggered mode, and the first clamping device and the second clamping device are matched with the I-shaped frame and used for fixing and clamping the lead screw.

As a preferred technical solution of the present application, one end of the second supporting device is connected to the top of the substrate, the other end of the second supporting device is fixedly connected to the i-shaped rack through a supporting plate, the supporting plate is matched with the i-shaped rack through a locking assembly, one ends of the first supporting device and the third supporting device are both matched with the substrate through a roller component, the other ends of the first supporting device and the third supporting device are matched with the i-shaped rack through a sliding block, and the top of the substrate is provided with a limiting groove matched with the roller component.

As the preferable technical scheme of this application, damper includes the fixed extension board of connection at the base plate top, the one end top that the base plate was kept away from to fixed extension board is connected with places the platform, it is provided with first buffer and second buffer to place bench top portion, be connected through supplementary portion between first buffer and the second buffer.

As the preferred technical scheme of this application, first buffering portion and second buffering portion are all including connecting the support column of placing the bench top portion, support column top outer wall is connected with spacing seat, the inside sliding connection of spacing seat has the gag lever post, the one end roof that spacing seat was kept away from to the gag lever post is connected with the roof part, the roof part is connected in the backup pad bottom, be provided with between roof part and the spacing seat with gag lever post assorted compression spring, roof part and spacing seat are connected through first attenuator.

As the preferred technical scheme of this application, the auxiliary part is including connecting the slide at placing bench top, the inside sliding block that is provided with of slide, sliding block outer wall connection has the connecting plate, sliding block and connecting plate are provided with two sets ofly, two sets of along slide inside sliding block and connecting plate are connected with first buffer and second buffer respectively, and are two sets of be connected through the second attenuator between the sliding block.

As the preferred technical scheme of this application, displacement device is including connecting at the inside two-way motor of connecting seat and fixed subassembly, the two-way motor output be connected with first strutting arrangement and third strutting arrangement assorted first dwang and second dwang, opposite direction's screw thread has been seted up respectively to first dwang and second dwang outer wall.

As the preferred technical scheme of this application, fixed subassembly includes the slide bar of fixed connection inside the connecting seat, the slide bar tip is respectively through base and first strutting arrangement and third strutting arrangement phase-match, be provided with between slide bar and first strutting arrangement and the third strutting arrangement with slide bar assorted elastic component.

As the preferred technical scheme of this application, first clamping device and second clamping device are all including connecting first fixing base and the second fixing base at the backup pad top, the inside rotation of second fixing base is connected with the bracing piece, bracing piece bottom lateral wall is connected with first jack catch, bracing piece top outer wall is connected with the second jack catch, bracing piece outer wall sliding connection has the adapter sleeve, be provided with between second jack catch and the adapter sleeve with bracing piece assorted expanding spring, through the drive assembly cooperation between adapter sleeve and the first fixing base.

As the preferred technical scheme of this application, drive assembly is including rotating the cylinder of connection in first fixing base inside, the one end that first fixing base was kept away from to the cylinder is passed through the link and is rotated the connection at the adapter sleeve outer wall, the link outer wall rotates and is connected with first connecting rod, be connected through the second connecting rod between first connecting rod and the second jack catch.

The utility model also discloses a use method of the ball screw support device, which specifically comprises the following steps:

s1: the adjusting device is used for adjusting the spacing distance between the first supporting device and the third supporting device according to the actual length of the screw rod, starting the two-way motor, driving a first rotating rod and a second rotating rod contained in the first supporting device and the third supporting device to rotate by the output end of the two-way motor respectively, driving a supporting plate and a roller component contained in the first supporting device and the third supporting device to slide along the top of the I-shaped frame substrate by the first rotating rod and the second rotating rod through the base respectively, when the length of the bidirectional motor is adjusted to be proper to the actual lead screw, the bidirectional motor stops rotating, and the first rotating rod, the second rotating rod, the I-shaped frame and the roller wheel part are arranged, so that the adaptability of the device is greatly improved, the lead screws with different sizes are conveniently supported, the condition that the suspended part of the lead screw is deformed due to self weight caused by the large stroke of a workbench is effectively avoided, and the stability of the device is improved;

s2: then a screw rod is placed on the top of the I-shaped frame, air cylinders contained in the first clamping device and the second clamping device are started simultaneously, the output end of the air cylinder drives the supporting rod to rotate along the second fixing seat through the connecting sleeve, so that the supporting rod drives the first clamping jaw to clamp the side wall of the screw rod, meanwhile, the connecting sleeve slides upwards along the outer wall of the supporting rod, further, the connecting sleeve drives the first connecting rod to rotate and push upwards, meanwhile, the connecting sleeve drives the first connecting rod of the expansion spring to rotate along the top of the supporting rod through the second connecting rod, when the inside of the second clamping jaw is abutted against the top of the screw rod, a fixing effect is achieved on the screw rod, the clamping effect of the device is greatly improved through the arranged first clamping jaw, the second clamping jaw, the connecting sleeve, the first connecting rod and the second connecting rod, the problem that the device cannot shake occurs is avoided, the accuracy of long-term use of the screw rod is effectively guaranteed, and the first clamping device and the second clamping device are arranged on the top of the supporting plate in a staggered manner, the first clamping device and the second clamping device are mutually promoted, so that the clamping effect of the device on the screw rod is further improved;

s3: when the screw rod is acted by an external force, the screw rod transmits the shaking force to the top plate part contained in the first supporting device, the second supporting device and the third supporting device through the clamping mechanism, and then the top plate part transmits the force to the limiting rod and the first damper;

s4: further shock attenuation, further when the gag lever post downstream, thereby drive the sliding block through the connecting plate inside along the slide, through two sets of connecting plates and the sliding block that sets up, two sets of sliding blocks are simultaneously to the motion of second attenuator, thereby offset with the tension of second attenuator itself, through the gag lever post that sets up, the roof part, compression spring, first attenuator, the connecting plate, sliding block and second attenuator, very big degree improves the device's shock attenuation buffering effect, avoid the lead screw to receive external force and cause the damage because of the rigid action of itself, guarantee the device's course of working.

Compared with the prior art, the utility model has the beneficial effects that: simple structure, convenient operation have improved the device's tight effect of clamp greatly, avoid the device can not appear rocking the problem, and avoid the lead screw to receive external force and cause the damage because of the rigidity effect of own, the convenient lead screw to not unidimensional supports simultaneously, effectively avoids the great lead screw portion of hanging out of the air of workstation stroke can arouse the emergence of the lead screw amount of deflection deformation condition because of the dead weight.

In the scheme of the application:

1. the clamping effect of the device is greatly improved through the arrangement of the first clamping jaw, the second clamping jaw, the connecting sleeve, the first connecting rod and the second connecting rod, the shaking problem of the device is avoided, the accuracy of long-term use of the lead screw is effectively ensured, and the problems that the clamping effect is poor, the shaking problem of the lead screw is easy to occur and the accuracy of long-term use of the lead screw is influenced in the prior art are solved;

2. the device has the advantages that by the arrangement of the limiting rod, the top plate part, the compression spring, the connecting plate, the sliding block and the second damper, the damping and buffering effects of the device are greatly improved, the lead screw is prevented from being damaged due to the self rigidity action when being subjected to external force, the processing process of the device is guaranteed, and the problems that the damping and buffering effects of the device are poor in the prior art, and the processing process is influenced due to the self rigidity action when the lead screw is subjected to the external force;

3. through the first dwang that sets up, the second dwang, frock frame and running roller part, the adaptability of the device has been improved greatly, the convenience supports the not unidimensional lead screw, effectively avoid the great lead screw suspended portion of workstation stroke to arouse the emergence of the lead screw amount of deflection deformation condition because of the dead weight, the stability of the device has been improved, because the lead screw size differs among the prior art has been solved, when the workstation stroke is great, the lead screw amount of deflection deformation can arouse because of the dead weight in the lead screw suspended portion, make the ball lead screw part produce the bending, consequently, can influence the problem of the stability that the workstation removed.

Drawings

Fig. 1 is a first schematic structural diagram of a ball screw support device provided in the present application;

fig. 2 is a second schematic structural diagram of the ball screw supporting device provided in the present application;

FIG. 3 is a schematic view illustrating a portion of the structure of the ball screw supporting device according to the present application;

fig. 4 is a schematic view of a partial structure of the ball screw supporting device according to the present application;

fig. 5 is a schematic structural view of a clamping mechanism in the ball screw support device provided in the present application;

FIG. 6 is a schematic structural view of a shock assembly in the ball screw support apparatus provided herein;

fig. 7 is an enlarged view of a portion a of fig. 4 of the ball screw supporting apparatus provided in the present application;

fig. 8 is an enlarged view of a portion B in fig. 6 of the ball screw supporting device provided in the present application.

The following are marked in the figure:

10. a substrate; 101. a first support device; 102. a second support device; 103. a third support device; 104. a jig frame; 105. fixing a support plate; 106. a placing table; 107. a support pillar; 108. a limiting seat; 109. a limiting rod; 110. a compression spring; 20. a top plate member; 201. a first damper; 202. a first clamping device; 203. a second clamping device; 204. a support plate; 205. a cylinder; 206. a first fixed seat; 207. a second fixed seat; 208. a support bar; 209. a first jaw; 210. connecting sleeves; 30. a tension spring; 301. a first link; 302. a second link; 303. a second jaw; 304. a locking assembly; 305. a bi-directional motor; 306. a first rotating lever; 307. a second rotating lever; 308. a slide bar; 309. an elastic member; 310. a slider; 40. a slide base; 401. a connecting plate; 402. a slider; 403. a second damper.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments.

Thus, the following detailed description of the embodiments of the utility model is not intended to limit the scope of the utility model as claimed, but is merely representative of some embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the embodiments of the present invention and the features and technical solutions thereof may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", and the like refer to orientations or positional relationships based on those shown in the drawings, or orientations or positional relationships that are conventionally arranged when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and such terms are used for convenience of description and simplification of the description, and do not refer to or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

As shown in fig. 1-2, the present embodiment provides a ball screw supporting device, including 1. a ball screw supporting device, including a base plate 10, further including:

the supporting mechanism is arranged at the top of the base plate 10, the top of the supporting mechanism is connected with the I-shaped frame 104, the supporting mechanism comprises a first supporting device 101, a second supporting device 102 and a third supporting device 103 which are arranged at the top of the base plate 10, the first supporting device 101, the second supporting device 102 and the third supporting device 103 respectively comprise a damping component connected to the top wall of the base plate 10, and the top of the damping component is connected with a supporting plate 204 which is used for achieving a buffering and damping effect on the I-shaped frame 104;

the middle section of the displacement device is fixedly connected to the bottom wall of the second supporting device 102 through a connecting seat, and the end parts of the displacement device are respectively matched with the first supporting device 101 and the third supporting device 103;

clamping mechanism, fixed connection is at the backup pad 204 top, clamping mechanism is including crisscross first clamping device 202 and the second clamping device 203 that sets up at the backup pad 204 roof, first clamping device 202 and second clamping device 203 cooperate with I-shaped frame 104, be used for playing the fixed clamping effect to the lead screw, through the supporting mechanism who sets up, displacement device and clamping mechanism, the tight effect of clamp of the device has been improved greatly, avoid the device can not appear rocking the problem, and avoid the lead screw to receive external force and cause the damage because of the rigidity effect of own, the convenient lead screw to different sizes supports simultaneously, effectively avoid the great lead screw suspended portion that leads to of workstation stroke can arouse the emergence of the lead screw amount of deflection deformation condition because of the dead weight.

As shown in fig. 7, as a preferred embodiment, based on the above manner, further, one end of the second supporting device 102 is connected to the top of the base plate 10, the other end of the second supporting device is fixedly connected to the drum rack 104 through the supporting plate 204, the supporting plate 204 is matched with the drum rack 104 through the locking assembly 304, one end of each of the first supporting device 101 and the third supporting device 103 is matched with the base plate 10 through a roller component, the other end of the first supporting device is matched with the drum rack 104 through the slider 310, the top of the base plate 10 is provided with a limiting groove matched with the roller component, and the stability of the first supporting device 101 and the third supporting device 103 during sliding is effectively ensured through the roller component and the slider 310.

As shown in fig. 4-6, as a preferred embodiment, in addition to the above-mentioned mode, further, the shock-absorbing assembly includes a fixed support plate 105 connected to the top of the substrate 10, a placing table 106 is connected to the top of one end of the fixed support plate 105 far away from the substrate 10, a first buffer portion and a second buffer portion are arranged on the top of the placing table 106, the first buffer portion and the second buffer portion are connected through an auxiliary portion, and the feasibility of operation of the first buffer portion and the second buffer portion is effectively ensured through the arranged fixed support plate 105 and the placing table 106.

As shown in fig. 1-6, as a preferred embodiment, on the basis of the above manner, further, the first buffer portion and the second buffer portion each include a supporting pillar 107 connected to the top of the placing table 106, the outer wall of the top of the supporting pillar 107 is connected with a limiting seat 108, the inside of the limiting seat 108 is connected with a limiting rod 109 in a sliding manner, the top wall of one end of the limiting rod 109 far away from the limiting seat 108 is connected with a top plate member 20, the top plate member 20 is connected to the bottom of the supporting plate 204, a compression spring 110 matched with the limiting rod 109 is arranged between the top plate member 20 and the limiting seat 108, the top plate member 20 and the limiting seat 108 are connected through a first damper 201, and by means of the arranged limiting rod 109, the top plate member 20, the compression spring 110 and the first damper 201, the shock absorption and buffer effect of the device is greatly improved, and the lead screw is prevented from being damaged due to the rigid action of the lead screw.

As shown in fig. 8, in addition to the above-mentioned embodiment, the auxiliary portion further includes a slide 40 connected to the top of the placing table 106, a slide 402 is disposed inside the slide 40, a connecting plate 401 is connected to an outer wall of the slide 402, two sets of the slide 402 and the connecting plate 401 are disposed inside the slide 40, the two sets of the slide 402 and the connecting plate 401 are respectively connected to the first buffer portion and the second buffer portion, the two sets of the slide 402 are connected to each other through a second damper 403, and the two sets of the slide 402 and the connecting plate 401 are disposed to simultaneously move with respect to the second damper 403 so as to counteract the tension of the second damper 403, thereby further improving the damping effect of the device.

As shown in fig. 3 to 7, as a preferred embodiment, on the basis of the above manner, further, the displacement device includes a bidirectional motor 305 and a fixed component connected inside the connecting socket, the output end of the bidirectional motor 305 is connected with a first rotating rod 306 and a second rotating rod 307 matched with the first supporting device 101 and the third supporting device 103, the outer walls of the first rotating rod 306 and the second rotating rod 307 are respectively provided with threads in opposite directions, and the first supporting device 101 and the third supporting device 103 can be ensured to move along the top of the base plate 10 by respectively providing the outer walls of the first rotating rod 306 and the second rotating rod 307 with threads in opposite directions.

As shown in fig. 8, as a preferred embodiment, on the basis of the above manner, further, the fixing assembly includes a sliding rod 308 fixedly connected inside the connecting seat, ends of the sliding rod 308 are respectively matched with the first supporting device 101 and the third supporting device 103 through the base, an elastic member 309 matched with the sliding rod 308 is arranged between the sliding rod 308 and the first supporting device 101 and the third supporting device 103, and stability of the first supporting device 101 and the third supporting device 103 during sliding is further ensured through the arranged sliding rod 308 and the elastic member 309.

As shown in fig. 1-5, as a preferred embodiment, on the basis of the above manner, further, the first clamping device 202 and the second clamping device 203 each include a first fixing seat 206 and a second fixing seat 207 connected to the top of the supporting plate 204, a supporting rod 208 is rotatably connected to the inside of the second fixing seat 207, a first jaw 209 is connected to the side wall of the bottom of the supporting rod 208, a second jaw 303 is connected to the outer wall of the top of the supporting rod 208, a connecting sleeve 210 is slidably connected to the outer wall of the supporting rod 208, a telescopic spring 30 matched with the supporting rod 208 is disposed between the second jaw 303 and the connecting sleeve 210, the connecting sleeve 210 is matched with the first fixing seat 206 through a driving assembly, through the first jack catch 209, the second jack catch 303, the connecting sleeve 210 and the drive assembly that set up, improved the device's tight effect of clamp greatly, avoid the device can not appear rocking the problem, effectively guarantee the precision that the lead screw used for a long time.

As shown in fig. 5, as a preferred embodiment, on the basis of the above manner, further, the driving assembly includes an air cylinder 205 rotatably connected inside the first fixing seat 206, one end of the air cylinder 205 far away from the first fixing seat 206 is rotatably connected to the outer wall of the connecting sleeve 210 through a connecting frame, the outer wall of the connecting frame is rotatably connected with a first connecting rod 301, the first connecting rod 301 is connected with the second jaw 303 through a second connecting rod 302, through the arrangement of the air cylinder 205, the first connecting rod 301 and the second connecting rod 302, the output end of the air cylinder 205 drives the supporting rod 208 to rotate along the second fixing seat 207 through the connecting sleeve 210, so that the supporting rod 208 drives the first jaw 209 to clamp the side wall of the screw rod, and simultaneously the connecting sleeve 210 slides upwards along the outer wall of the supporting rod 208, the connecting sleeve 210 drives the first link 301 to rotate and push upwards, and simultaneously the connecting sleeve 210 drives the second claw 303 to rotate along the top of the supporting rod 208 for the first link 301 of the telescopic spring 30 through the second link 302.

Specifically, this ball support device is at the during operation: firstly, the spacing distance between the first supporting device 101 and the third supporting device 103 is adjusted according to the actual length of the lead screw, the two-way motor 305 is started, the output end of the two-way motor 305 drives the first rotating rod 306 and the second rotating rod 307 contained in the first supporting device 101 and the third supporting device 103 to rotate respectively, the first rotating rod 306 and the second rotating rod 307 drive the supporting plate 204 and the roller component contained in the first supporting device 101 and the third supporting device 103 to slide along the top of the base plate 10 of the I-shaped frame 104 through the base respectively, when the length is adjusted to be proper to the actual lead screw, the rotation of the two-way motor 305 is stopped, the first rotating rod 306, the second rotating rod 307, the I-shaped frame 104 and the roller component are arranged, the adaptability of the device is greatly improved, the lead screws with different sizes are conveniently supported, the situation that the deflection deformation of the lead screw is caused by the dead weight of the suspended part of the lead screw due to the large stroke of a workbench is effectively avoided, the stability of the device is improved;

then, a screw rod is placed at the top of the jig 104, the air cylinders 205 contained in the first clamping device 202 and the second clamping device 203 are started simultaneously, the output end of the air cylinder 205 drives the supporting rod 208 to rotate along the second fixing seat 207 through the connecting sleeve 210, so that the supporting rod 208 drives the first clamping jaw 209 to clamp the side wall of the screw rod, the connecting sleeve 210 slides upwards along the outer wall of the supporting rod 208, so that the connecting sleeve 210 drives the first connecting rod 301 to rotate and push upwards, the connecting sleeve 210 drives the first connecting rod 301 of the extension spring 30 to rotate along the top of the supporting rod 208 through the second connecting rod 302, when the inside of the second clamping jaw 303 abuts against the top of the screw rod, the screw rod is fixed, and through the first clamping jaw 209, the second clamping jaw 303, the connecting sleeve 210, the first connecting rod 301 and the second connecting rod 302, the clamping effect of the device is greatly improved, and the shaking problem of the device is avoided, the accuracy of the long-term use of the screw is effectively guaranteed, and the first clamping device 202 and the second clamping device 203 are arranged on the top of the supporting plate 204 in a staggered mode, so that the first clamping device 202 and the second clamping device 203 are mutually promoted, and the clamping effect of the device on the screw is further improved;

when the screw rod is acted by external force, the screw rod transmits shaking force to the top plate part 20 contained in the first supporting device 101, the second supporting device 102 and the third supporting device 103 through the clamping mechanism, and then the top plate part 20 transmits the force to the limiting rod 109 and the first damper 201, when the limiting rod 109 and the top plate part 20 move downwards, the compression spring 110 and the first damper 201 have opposite action, so as to offset the shaking force, further, when the limiting rod 109 moves downwards, so that the connecting plate 401 drives the sliding block 402 along the inside of the sliding seat 40, through the two sets of connecting plates 401 and the sliding block 402, the two sets of sliding blocks 402 simultaneously move to the second damper 403, so as to offset the tension of the second damper 403, through the limiting rod 109, the top plate part 20, the compression spring 110, the first damper 201, the connecting plate 401, the sliding block 402 and the second damper 403, the damping and buffering effect of the device is greatly improved, the lead screw is prevented from being damaged due to the fact that the lead screw is subjected to external force under the action of rigidity, and the machining process of the device is guaranteed.

The above embodiments are only used for illustrating the utility model and not for limiting the technical solutions described in the utility model, and although the present invention has been described in detail in the present specification with reference to the above embodiments, the present invention is not limited to the above embodiments, and therefore, any modification or equivalent replacement of the present invention is made; all such modifications and variations are intended to be included herein within the scope of this disclosure and the appended claims.

Claims (9)

1. A ball screw support device includes a base plate (10), and is characterized by further comprising:

the supporting mechanism is arranged on the top of the base plate (10), the top of the supporting mechanism is connected with an I-shaped frame (104), the supporting mechanism comprises a first supporting device (101), a second supporting device (102) and a third supporting device (103) which are arranged on the top of the base plate (10), the first supporting device (101), the second supporting device (102) and the third supporting device (103) respectively comprise a damping component which is connected to the top wall of the base plate (10), and the top of the damping component is connected with a supporting plate (204) which is used for achieving a damping effect on the I-shaped frame (104);

the middle section of the displacement device is fixedly connected to the bottom wall of the second supporting device (102) through a connecting seat, and the end parts of the displacement device are respectively matched with the first supporting device (101) and the third supporting device (103);

the clamping mechanism is fixedly connected to the top of the supporting plate (204), the clamping mechanism comprises a first clamping device (202) and a second clamping device (203) which are arranged on the top wall of the supporting plate (204) in a staggered mode, and the first clamping device (202) and the second clamping device (203) are matched with the jig (104) and used for fixing and clamping the lead screw.

2. The ball screw supporting device according to claim 1, wherein one end of the second supporting device (102) is connected to the top of the base plate (10), the other end of the second supporting device is fixedly connected with the I-shaped frame (104) through a supporting plate (204), the supporting plate (204) is matched with the I-shaped frame (104) through a locking assembly (304), one end of each of the first supporting device (101) and the third supporting device (103) is matched with the base plate (10) through a roller component, the other end of each of the first supporting device and the third supporting device is matched with the I-shaped frame (104) through a sliding block (310), and a limiting groove matched with the roller component is formed in the top of the base plate (10).

3. The ball screw supporting device according to claim 1, wherein the shock absorption assembly comprises a fixed support plate (105) connected to the top of the base plate (10), a placing table (106) is connected to the top of one end, away from the base plate (10), of the fixed support plate (105), a first buffering portion and a second buffering portion are arranged on the top of the placing table (106), and the first buffering portion and the second buffering portion are connected through an auxiliary portion.

4. The ball screw supporting device according to claim 3, wherein the first buffering portion and the second buffering portion each comprise a supporting column (107) connected to the top of the placing table (106), a limiting seat (108) is connected to the outer wall of the top of the supporting column (107), a limiting rod (109) is connected to the inside of the limiting seat (108) in a sliding manner, a top wall of one end, far away from the limiting seat (108), of the limiting rod (109) is connected with a top plate component (20), the top plate component (20) is connected to the bottom of the supporting plate (204), a compression spring (110) matched with the limiting rod (109) is arranged between the top plate component (20) and the limiting seat (108), and the top plate component (20) and the limiting seat (108) are connected through a first damper (201).

5. A ball screw supporting device according to claim 4, wherein the auxiliary part comprises a sliding base (40) connected to the top of the placing table (106), a sliding block (402) is arranged inside the sliding base (40), a connecting plate (401) is connected to the outer wall of the sliding block (402), two sets of the sliding block (402) and the connecting plate (401) are arranged inside the sliding base (40), the two sets of the sliding block (402) and the connecting plate (401) are respectively connected with the first buffer part and the second buffer part, and the two sets of the sliding block (402) are connected through a second damper (403).

6. The ball screw supporting device according to claim 1, wherein the displacement device comprises a bidirectional motor (305) and a fixed component which are connected inside the connecting seat, the output end of the bidirectional motor (305) is connected with a first rotating rod (306) and a second rotating rod (307) which are matched with the first supporting device (101) and the third supporting device (103), and the outer walls of the first rotating rod (306) and the second rotating rod (307) are respectively provided with threads in opposite directions.

7. The ball screw supporting device according to claim 1, wherein the fixing component comprises a sliding rod (308) fixedly connected inside the connecting seat, the end of the sliding rod (308) is respectively matched with the first supporting device (101) and the third supporting device (103) through a base, and an elastic member (309) matched with the sliding rod (308) is arranged between the sliding rod (308) and the first supporting device (101) and the third supporting device (103).

8. The ball screw supporting device according to claim 1, wherein the first clamping device (202) and the second clamping device (203) comprise a first fixing seat (206) and a second fixing seat (207) which are connected to the top of the supporting plate (204), the supporting rod (208) is rotatably connected to the inside of the second fixing seat (207), the side wall of the bottom of the supporting rod (208) is connected with a first clamping jaw (209), the outer wall of the top of the supporting rod (208) is connected with a second clamping jaw (303), the outer wall of the supporting rod (208) is slidably connected with a connecting sleeve (210), a telescopic spring (30) matched with the supporting rod (208) is arranged between the second clamping jaw (303) and the connecting sleeve (210), and the connecting sleeve (210) is matched with the first fixing seat (206) through a driving assembly.

9. The ball screw supporting device according to claim 8, wherein the driving assembly comprises a cylinder (205) rotatably connected inside the first fixing seat (206), one end of the cylinder (205) far away from the first fixing seat (206) is rotatably connected to the outer wall of the connecting sleeve (210) through a connecting frame, the outer wall of the connecting frame is rotatably connected with a first connecting rod (301), and the first connecting rod (301) is connected with the second jaw (303) through a second connecting rod (302).

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